19777292

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{11161}}^1$

素因数の和:11608

約数の個数: 12

約数和(自身を含む): 34691496

約数和(自身を除く): 14914204

約数列:

[1, 2, 4, 443, 886, 1772, 11161, 22322, 44644, 4944323, 9888646, 19777292]

約数ペア:

[(1, 19777292), (2, 9888646), (4, 4944323), (443, 44644), (886, 22322), (1772, 11161)]